Display screen or portion thereof with a group of graphical user interface



The FIGURE is a front view of a display screen or portion thereof with a group of graphical user interface showing the claimed design.

The broken lines around each graphical user interface of the group shown in the FIGURE show a display screen or portion thereof, and form no part of the claimed design.

The bracket shown in the FIGURE forms no part of the claimed design.

The graphical user interface group of the FIGURE is arranged on the drawing sheet for the convenience of illustration and the relative positioning forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with a group of graphical user interface, as shown and described. 